Finding the Fourth Proportional to 2,503.98, 3,455.42 and 1,384.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.98 : 3,455.42 = 1,384.83 : x
2. Step 2: Convert to fraction form
   2,503.98/3,455.42 = 1,384.83/x
3. Step 3: Cross multiply
   2,503.98x = 3,455.42 × 1,384.83
4. Step 4: Simplify right side
   2,503.98x = 4,785,162.35
5. Step 5: Solve for x
   x = 4,785,162.35/2,503.98
6. Step 6: Final answer
   x = 1,911.02